@article{KamjunkeGaedkeTitteletal.2004,
  author    = {Norbert Kamjunke and Ursula Gaedke and J{\"o}rg Tittel and Guntram Weithoff and Elanor M. Bell},
  title     = {Strong vertical differences in the plankton composition of an extremely acidic lake},
  year      = {2004},
}